balmet.com

class-wp-post-type.php (20820B)

---

 <?php
 /**
  * Post API: WP_Post_Type class
  *
  * @package WordPress
  * @subpackage Post
  * @since 4.6.0
  */
 
 /**
  * Core class used for interacting with post types.
  *
  * @since 4.6.0
  *
  * @see register_post_type()
  */
 final class WP_Post_Type {
 	/**
 	 * Post type key.
 	 *
 	 * @since 4.6.0
 	 * @var string $name
 	 */
 	public $name;
 
 	/**
 	 * Name of the post type shown in the menu. Usually plural.
 	 *
 	 * @since 4.6.0
 	 * @var string $label
 	 */
 	public $label;
 
 	/**
 	 * Labels object for this post type.
 	 *
 	 * If not set, post labels are inherited for non-hierarchical types
 	 * and page labels for hierarchical ones.
 	 *
 	 * @see get_post_type_labels()
 	 *
 	 * @since 4.6.0
 	 * @var stdClass $labels
 	 */
 	public $labels;
 
 	/**
 	 * A short descriptive summary of what the post type is.
 	 *
 	 * Default empty.
 	 *
 	 * @since 4.6.0
 	 * @var string $description
 	 */
 	public $description = '';
 
 	/**
 	 * Whether a post type is intended for use publicly either via the admin interface or by front-end users.
 	 *
 	 * While the default settings of $exclude_from_search, $publicly_queryable, $show_ui, and $show_in_nav_menus
 	 * are inherited from public, each does not rely on this relationship and controls a very specific intention.
 	 *
 	 * Default false.
 	 *
 	 * @since 4.6.0
 	 * @var bool $public
 	 */
 	public $public = false;
 
 	/**
 	 * Whether the post type is hierarchical (e.g. page).
 	 *
 	 * Default false.
 	 *
 	 * @since 4.6.0
 	 * @var bool $hierarchical
 	 */
 	public $hierarchical = false;
 
 	/**
 	 * Whether to exclude posts with this post type from front end search
 	 * results.
 	 *
 	 * Default is the opposite value of $public.
 	 *
 	 * @since 4.6.0
 	 * @var bool $exclude_from_search
 	 */
 	public $exclude_from_search = null;
 
 	/**
 	 * Whether queries can be performed on the front end for the post type as part of `parse_request()`.
 	 *
 	 * Endpoints would include:
 	 * - `?post_type={post_type_key}`
 	 * - `?{post_type_key}={single_post_slug}`
 	 * - `?{post_type_query_var}={single_post_slug}`
 	 *
 	 * Default is the value of $public.
 	 *
 	 * @since 4.6.0
 	 * @var bool $publicly_queryable
 	 */
 	public $publicly_queryable = null;
 
 	/**
 	 * Whether to generate and allow a UI for managing this post type in the admin.
 	 *
 	 * Default is the value of $public.
 	 *
 	 * @since 4.6.0
 	 * @var bool $show_ui
 	 */
 	public $show_ui = null;
 
 	/**
 	 * Where to show the post type in the admin menu.
 	 *
 	 * To work, $show_ui must be true. If true, the post type is shown in its own top level menu. If false, no menu is
 	 * shown. If a string of an existing top level menu (eg. 'tools.php' or 'edit.php?post_type=page'), the post type
 	 * will be placed as a sub-menu of that.
 	 *
 	 * Default is the value of $show_ui.
 	 *
 	 * @since 4.6.0
 	 * @var bool|string $show_in_menu
 	 */
 	public $show_in_menu = null;
 
 	/**
 	 * Makes this post type available for selection in navigation menus.
 	 *
 	 * Default is the value $public.
 	 *
 	 * @since 4.6.0
 	 * @var bool $show_in_nav_menus
 	 */
 	public $show_in_nav_menus = null;
 
 	/**
 	 * Makes this post type available via the admin bar.
 	 *
 	 * Default is the value of $show_in_menu.
 	 *
 	 * @since 4.6.0
 	 * @var bool $show_in_admin_bar
 	 */
 	public $show_in_admin_bar = null;
 
 	/**
 	 * The position in the menu order the post type should appear.
 	 *
 	 * To work, $show_in_menu must be true. Default null (at the bottom).
 	 *
 	 * @since 4.6.0
 	 * @var int $menu_position
 	 */
 	public $menu_position = null;
 
 	/**
 	 * The URL or reference to the icon to be used for this menu.
 	 *
 	 * Pass a base64-encoded SVG using a data URI, which will be colored to match the color scheme.
 	 * This should begin with 'data:image/svg+xml;base64,'. Pass the name of a Dashicons helper class
 	 * to use a font icon, e.g. 'dashicons-chart-pie'. Pass 'none' to leave div.wp-menu-image empty
 	 * so an icon can be added via CSS.
 	 *
 	 * Defaults to use the posts icon.
 	 *
 	 * @since 4.6.0
 	 * @var string $menu_icon
 	 */
 	public $menu_icon = null;
 
 	/**
 	 * The string to use to build the read, edit, and delete capabilities.
 	 *
 	 * May be passed as an array to allow for alternative plurals when using
 	 * this argument as a base to construct the capabilities, e.g.
 	 * array( 'story', 'stories' ). Default 'post'.
 	 *
 	 * @since 4.6.0
 	 * @var string $capability_type
 	 */
 	public $capability_type = 'post';
 
 	/**
 	 * Whether to use the internal default meta capability handling.
 	 *
 	 * Default false.
 	 *
 	 * @since 4.6.0
 	 * @var bool $map_meta_cap
 	 */
 	public $map_meta_cap = false;
 
 	/**
 	 * Provide a callback function that sets up the meta boxes for the edit form.
 	 *
 	 * Do `remove_meta_box()` and `add_meta_box()` calls in the callback. Default null.
 	 *
 	 * @since 4.6.0
 	 * @var callable $register_meta_box_cb
 	 */
 	public $register_meta_box_cb = null;
 
 	/**
 	 * An array of taxonomy identifiers that will be registered for the post type.
 	 *
 	 * Taxonomies can be registered later with `register_taxonomy()` or `register_taxonomy_for_object_type()`.
 	 *
 	 * Default empty array.
 	 *
 	 * @since 4.6.0
 	 * @var array $taxonomies
 	 */
 	public $taxonomies = array();
 
 	/**
 	 * Whether there should be post type archives, or if a string, the archive slug to use.
 	 *
 	 * Will generate the proper rewrite rules if $rewrite is enabled. Default false.
 	 *
 	 * @since 4.6.0
 	 * @var bool|string $has_archive
 	 */
 	public $has_archive = false;
 
 	/**
 	 * Sets the query_var key for this post type.
 	 *
 	 * Defaults to $post_type key. If false, a post type cannot be loaded at `?{query_var}={post_slug}`.
 	 * If specified as a string, the query `?{query_var_string}={post_slug}` will be valid.
 	 *
 	 * @since 4.6.0
 	 * @var string|bool $query_var
 	 */
 	public $query_var;
 
 	/**
 	 * Whether to allow this post type to be exported.
 	 *
 	 * Default true.
 	 *
 	 * @since 4.6.0
 	 * @var bool $can_export
 	 */
 	public $can_export = true;
 
 	/**
 	 * Whether to delete posts of this type when deleting a user.
 	 *
 	 * - If true, posts of this type belonging to the user will be moved to Trash when the user is deleted.
 	 * - If false, posts of this type belonging to the user will *not* be trashed or deleted.
 	 * - If not set (the default), posts are trashed if post type supports the 'author' feature.
 	 *   Otherwise posts are not trashed or deleted.
 	 *
 	 * Default null.
 	 *
 	 * @since 4.6.0
 	 * @var bool $delete_with_user
 	 */
 	public $delete_with_user = null;
 
 	/**
 	 * Array of blocks to use as the default initial state for an editor session.
 	 *
 	 * Each item should be an array containing block name and optional attributes.
 	 *
 	 * Default empty array.
 	 *
 	 * @link https://developer.wordpress.org/block-editor/developers/block-api/block-templates/
 	 *
 	 * @since 5.0.0
 	 * @var array $template
 	 */
 	public $template = array();
 
 	/**
 	 * Whether the block template should be locked if $template is set.
 	 *
 	 * - If set to 'all', the user is unable to insert new blocks, move existing blocks
 	 *   and delete blocks.
 	 * - If set to 'insert', the user is able to move existing blocks but is unable to insert
 	 *   new blocks and delete blocks.
 	 *
 	 * Default false.
 	 *
 	 * @link https://developer.wordpress.org/block-editor/developers/block-api/block-templates/
 	 *
 	 * @since 5.0.0
 	 * @var string|false $template_lock
 	 */
 	public $template_lock = false;
 
 	/**
 	 * Whether this post type is a native or "built-in" post_type.
 	 *
 	 * Default false.
 	 *
 	 * @since 4.6.0
 	 * @var bool $_builtin
 	 */
 	public $_builtin = false;
 
 	/**
 	 * URL segment to use for edit link of this post type.
 	 *
 	 * Default 'post.php?post=%d'.
 	 *
 	 * @since 4.6.0
 	 * @var string $_edit_link
 	 */
 	public $_edit_link = 'post.php?post=%d';
 
 	/**
 	 * Post type capabilities.
 	 *
 	 * @since 4.6.0
 	 * @var stdClass $cap
 	 */
 	public $cap;
 
 	/**
 	 * Triggers the handling of rewrites for this post type.
 	 *
 	 * Defaults to true, using $post_type as slug.
 	 *
 	 * @since 4.6.0
 	 * @var array|false $rewrite
 	 */
 	public $rewrite;
 
 	/**
 	 * The features supported by the post type.
 	 *
 	 * @since 4.6.0
 	 * @var array|bool $supports
 	 */
 	public $supports;
 
 	/**
 	 * Whether this post type should appear in the REST API.
 	 *
 	 * Default false. If true, standard endpoints will be registered with
 	 * respect to $rest_base and $rest_controller_class.
 	 *
 	 * @since 4.7.4
 	 * @var bool $show_in_rest
 	 */
 	public $show_in_rest;
 
 	/**
 	 * The base path for this post type's REST API endpoints.
 	 *
 	 * @since 4.7.4
 	 * @var string|bool $rest_base
 	 */
 	public $rest_base;
 
 	/**
 	 * The controller for this post type's REST API endpoints.
 	 *
 	 * Custom controllers must extend WP_REST_Controller.
 	 *
 	 * @since 4.7.4
 	 * @var string|bool $rest_controller_class
 	 */
 	public $rest_controller_class;
 
 	/**
 	 * The controller instance for this post type's REST API endpoints.
 	 *
 	 * Lazily computed. Should be accessed using {@see WP_Post_Type::get_rest_controller()}.
 	 *
 	 * @since 5.3.0
 	 * @var WP_REST_Controller $rest_controller
 	 */
 	public $rest_controller;
 
 	/**
 	 * Constructor.
 	 *
 	 * See the register_post_type() function for accepted arguments for `$args`.
 	 *
 	 * Will populate object properties from the provided arguments and assign other
 	 * default properties based on that information.
 	 *
 	 * @since 4.6.0
 	 *
 	 * @see register_post_type()
 	 *
 	 * @param string       $post_type Post type key.
 	 * @param array|string $args      Optional. Array or string of arguments for registering a post type.
 	 *                                Default empty array.
 	 */
 	public function __construct( $post_type, $args = array() ) {
 		$this->name = $post_type;
 
 		$this->set_props( $args );
 	}
 
 	/**
 	 * Sets post type properties.
 	 *
 	 * See the register_post_type() function for accepted arguments for `$args`.
 	 *
 	 * @since 4.6.0
 	 *
 	 * @param array|string $args Array or string of arguments for registering a post type.
 	 */
 	public function set_props( $args ) {
 		$args = wp_parse_args( $args );
 
 		/**
 		 * Filters the arguments for registering a post type.
 		 *
 		 * @since 4.4.0
 		 *
 		 * @param array  $args      Array of arguments for registering a post type.
 		 *                          See the register_post_type() function for accepted arguments.
 		 * @param string $post_type Post type key.
 		 */
 		$args = apply_filters( 'register_post_type_args', $args, $this->name );
 
 		$has_edit_link = ! empty( $args['_edit_link'] );
 
 		// Args prefixed with an underscore are reserved for internal use.
 		$defaults = array(
 			'labels'                => array(),
 			'description'           => '',
 			'public'                => false,
 			'hierarchical'          => false,
 			'exclude_from_search'   => null,
 			'publicly_queryable'    => null,
 			'show_ui'               => null,
 			'show_in_menu'          => null,
 			'show_in_nav_menus'     => null,
 			'show_in_admin_bar'     => null,
 			'menu_position'         => null,
 			'menu_icon'             => null,
 			'capability_type'       => 'post',
 			'capabilities'          => array(),
 			'map_meta_cap'          => null,
 			'supports'              => array(),
 			'register_meta_box_cb'  => null,
 			'taxonomies'            => array(),
 			'has_archive'           => false,
 			'rewrite'               => true,
 			'query_var'             => true,
 			'can_export'            => true,
 			'delete_with_user'      => null,
 			'show_in_rest'          => false,
 			'rest_base'             => false,
 			'rest_controller_class' => false,
 			'template'              => array(),
 			'template_lock'         => false,
 			'_builtin'              => false,
 			'_edit_link'            => 'post.php?post=%d',
 		);
 
 		$args = array_merge( $defaults, $args );
 
 		$args['name'] = $this->name;
 
 		// If not set, default to the setting for 'public'.
 		if ( null === $args['publicly_queryable'] ) {
 			$args['publicly_queryable'] = $args['public'];
 		}
 
 		// If not set, default to the setting for 'public'.
 		if ( null === $args['show_ui'] ) {
 			$args['show_ui'] = $args['public'];
 		}
 
 		// If not set, default to the setting for 'show_ui'.
 		if ( null === $args['show_in_menu'] || ! $args['show_ui'] ) {
 			$args['show_in_menu'] = $args['show_ui'];
 		}
 
 		// If not set, default to the setting for 'show_in_menu'.
 		if ( null === $args['show_in_admin_bar'] ) {
 			$args['show_in_admin_bar'] = (bool) $args['show_in_menu'];
 		}
 
 		// If not set, default to the setting for 'public'.
 		if ( null === $args['show_in_nav_menus'] ) {
 			$args['show_in_nav_menus'] = $args['public'];
 		}
 
 		// If not set, default to true if not public, false if public.
 		if ( null === $args['exclude_from_search'] ) {
 			$args['exclude_from_search'] = ! $args['public'];
 		}
 
 		// Back compat with quirky handling in version 3.0. #14122.
 		if ( empty( $args['capabilities'] )
 			&& null === $args['map_meta_cap'] && in_array( $args['capability_type'], array( 'post', 'page' ), true )
 		) {
 			$args['map_meta_cap'] = true;
 		}
 
 		// If not set, default to false.
 		if ( null === $args['map_meta_cap'] ) {
 			$args['map_meta_cap'] = false;
 		}
 
 		// If there's no specified edit link and no UI, remove the edit link.
 		if ( ! $args['show_ui'] && ! $has_edit_link ) {
 			$args['_edit_link'] = '';
 		}
 
 		$this->cap = get_post_type_capabilities( (object) $args );
 		unset( $args['capabilities'] );
 
 		if ( is_array( $args['capability_type'] ) ) {
 			$args['capability_type'] = $args['capability_type'][0];
 		}
 
 		if ( false !== $args['query_var'] ) {
 			if ( true === $args['query_var'] ) {
 				$args['query_var'] = $this->name;
 			} else {
 				$args['query_var'] = sanitize_title_with_dashes( $args['query_var'] );
 			}
 		}
 
 		if ( false !== $args['rewrite'] && ( is_admin() || get_option( 'permalink_structure' ) ) ) {
 			if ( ! is_array( $args['rewrite'] ) ) {
 				$args['rewrite'] = array();
 			}
 			if ( empty( $args['rewrite']['slug'] ) ) {
 				$args['rewrite']['slug'] = $this->name;
 			}
 			if ( ! isset( $args['rewrite']['with_front'] ) ) {
 				$args['rewrite']['with_front'] = true;
 			}
 			if ( ! isset( $args['rewrite']['pages'] ) ) {
 				$args['rewrite']['pages'] = true;
 			}
 			if ( ! isset( $args['rewrite']['feeds'] ) || ! $args['has_archive'] ) {
 				$args['rewrite']['feeds'] = (bool) $args['has_archive'];
 			}
 			if ( ! isset( $args['rewrite']['ep_mask'] ) ) {
 				if ( isset( $args['permalink_epmask'] ) ) {
 					$args['rewrite']['ep_mask'] = $args['permalink_epmask'];
 				} else {
 					$args['rewrite']['ep_mask'] = EP_PERMALINK;
 				}
 			}
 		}
 
 		foreach ( $args as $property_name => $property_value ) {
 			$this->$property_name = $property_value;
 		}
 
 		$this->labels = get_post_type_labels( $this );
 		$this->label  = $this->labels->name;
 	}
 
 	/**
 	 * Sets the features support for the post type.
 	 *
 	 * @since 4.6.0
 	 */
 	public function add_supports() {
 		if ( ! empty( $this->supports ) ) {
 			foreach ( $this->supports as $feature => $args ) {
 				if ( is_array( $args ) ) {
 					add_post_type_support( $this->name, $feature, $args );
 				} else {
 					add_post_type_support( $this->name, $args );
 				}
 			}
 			unset( $this->supports );
 		} elseif ( false !== $this->supports ) {
 			// Add default features.
 			add_post_type_support( $this->name, array( 'title', 'editor' ) );
 		}
 	}
 
 	/**
 	 * Adds the necessary rewrite rules for the post type.
 	 *
 	 * @since 4.6.0
 	 *
 	 * @global WP_Rewrite $wp_rewrite WordPress rewrite component.
 	 * @global WP         $wp         Current WordPress environment instance.
 	 */
 	public function add_rewrite_rules() {
 		global $wp_rewrite, $wp;
 
 		if ( false !== $this->query_var && $wp && is_post_type_viewable( $this ) ) {
 			$wp->add_query_var( $this->query_var );
 		}
 
 		if ( false !== $this->rewrite && ( is_admin() || get_option( 'permalink_structure' ) ) ) {
 			if ( $this->hierarchical ) {
 				add_rewrite_tag( "%$this->name%", '(.+?)', $this->query_var ? "{$this->query_var}=" : "post_type=$this->name&pagename=" );
 			} else {
 				add_rewrite_tag( "%$this->name%", '([^/]+)', $this->query_var ? "{$this->query_var}=" : "post_type=$this->name&name=" );
 			}
 
 			if ( $this->has_archive ) {
 				$archive_slug = true === $this->has_archive ? $this->rewrite['slug'] : $this->has_archive;
 				if ( $this->rewrite['with_front'] ) {
 					$archive_slug = substr( $wp_rewrite->front, 1 ) . $archive_slug;
 				} else {
 					$archive_slug = $wp_rewrite->root . $archive_slug;
 				}
 
 				add_rewrite_rule( "{$archive_slug}/?$", "index.php?post_type=$this->name", 'top' );
 				if ( $this->rewrite['feeds'] && $wp_rewrite->feeds ) {
 					$feeds = '(' . trim( implode( '|', $wp_rewrite->feeds ) ) . ')';
 					add_rewrite_rule( "{$archive_slug}/feed/$feeds/?$", "index.php?post_type=$this->name" . '&feed=$matches[1]', 'top' );
 					add_rewrite_rule( "{$archive_slug}/$feeds/?$", "index.php?post_type=$this->name" . '&feed=$matches[1]', 'top' );
 				}
 				if ( $this->rewrite['pages'] ) {
 					add_rewrite_rule( "{$archive_slug}/{$wp_rewrite->pagination_base}/([0-9]{1,})/?$", "index.php?post_type=$this->name" . '&paged=$matches[1]', 'top' );
 				}
 			}
 
 			$permastruct_args         = $this->rewrite;
 			$permastruct_args['feed'] = $permastruct_args['feeds'];
 			add_permastruct( $this->name, "{$this->rewrite['slug']}/%$this->name%", $permastruct_args );
 		}
 	}
 
 	/**
 	 * Registers the post type meta box if a custom callback was specified.
 	 *
 	 * @since 4.6.0
 	 */
 	public function register_meta_boxes() {
 		if ( $this->register_meta_box_cb ) {
 			add_action( 'add_meta_boxes_' . $this->name, $this->register_meta_box_cb, 10, 1 );
 		}
 	}
 
 	/**
 	 * Adds the future post hook action for the post type.
 	 *
 	 * @since 4.6.0
 	 */
 	public function add_hooks() {
 		add_action( 'future_' . $this->name, '_future_post_hook', 5, 2 );
 	}
 
 	/**
 	 * Registers the taxonomies for the post type.
 	 *
 	 * @since 4.6.0
 	 */
 	public function register_taxonomies() {
 		foreach ( $this->taxonomies as $taxonomy ) {
 			register_taxonomy_for_object_type( $taxonomy, $this->name );
 		}
 	}
 
 	/**
 	 * Removes the features support for the post type.
 	 *
 	 * @since 4.6.0
 	 *
 	 * @global array $_wp_post_type_features Post type features.
 	 */
 	public function remove_supports() {
 		global $_wp_post_type_features;
 
 		unset( $_wp_post_type_features[ $this->name ] );
 	}
 
 	/**
 	 * Removes any rewrite rules, permastructs, and rules for the post type.
 	 *
 	 * @since 4.6.0
 	 *
 	 * @global WP_Rewrite $wp_rewrite          WordPress rewrite component.
 	 * @global WP         $wp                  Current WordPress environment instance.
 	 * @global array      $post_type_meta_caps Used to remove meta capabilities.
 	 */
 	public function remove_rewrite_rules() {
 		global $wp, $wp_rewrite, $post_type_meta_caps;
 
 		// Remove query var.
 		if ( false !== $this->query_var ) {
 			$wp->remove_query_var( $this->query_var );
 		}
 
 		// Remove any rewrite rules, permastructs, and rules.
 		if ( false !== $this->rewrite ) {
 			remove_rewrite_tag( "%$this->name%" );
 			remove_permastruct( $this->name );
 			foreach ( $wp_rewrite->extra_rules_top as $regex => $query ) {
 				if ( false !== strpos( $query, "index.php?post_type=$this->name" ) ) {
 					unset( $wp_rewrite->extra_rules_top[ $regex ] );
 				}
 			}
 		}
 
 		// Remove registered custom meta capabilities.
 		foreach ( $this->cap as $cap ) {
 			unset( $post_type_meta_caps[ $cap ] );
 		}
 	}
 
 	/**
 	 * Unregisters the post type meta box if a custom callback was specified.
 	 *
 	 * @since 4.6.0
 	 */
 	public function unregister_meta_boxes() {
 		if ( $this->register_meta_box_cb ) {
 			remove_action( 'add_meta_boxes_' . $this->name, $this->register_meta_box_cb, 10 );
 		}
 	}
 
 	/**
 	 * Removes the post type from all taxonomies.
 	 *
 	 * @since 4.6.0
 	 */
 	public function unregister_taxonomies() {
 		foreach ( get_object_taxonomies( $this->name ) as $taxonomy ) {
 			unregister_taxonomy_for_object_type( $taxonomy, $this->name );
 		}
 	}
 
 	/**
 	 * Removes the future post hook action for the post type.
 	 *
 	 * @since 4.6.0
 	 */
 	public function remove_hooks() {
 		remove_action( 'future_' . $this->name, '_future_post_hook', 5 );
 	}
 
 	/**
 	 * Gets the REST API controller for this post type.
 	 *
 	 * Will only instantiate the controller class once per request.
 	 *
 	 * @since 5.3.0
 	 *
 	 * @return WP_REST_Controller|null The controller instance, or null if the post type
 	 *                                 is set not to show in rest.
 	 */
 	public function get_rest_controller() {
 		if ( ! $this->show_in_rest ) {
 			return null;
 		}
 
 		$class = $this->rest_controller_class ? $this->rest_controller_class : WP_REST_Posts_Controller::class;
 
 		if ( ! class_exists( $class ) ) {
 			return null;
 		}
 
 		if ( ! is_subclass_of( $class, WP_REST_Controller::class ) ) {
 			return null;
 		}
 
 		if ( ! $this->rest_controller ) {
 			$this->rest_controller = new $class( $this->name );
 		}
 
 		if ( ! ( $this->rest_controller instanceof $class ) ) {
 			return null;
 		}
 
 		return $this->rest_controller;
 	}
 }